1. Joseph borrows $10000 from his sister Katie at an annual interest rate of 10%. If the interest compounded twice a year, how much does he owe after 12 months? Answer in dollars.

2. How many multiples of 9 are between 100,000 and 100,185

chillycheesechicken Jun 2, 2021

#1**+1 **

Each compounding PERIOD is 6 months 2 per year

interest per period in decimal form is .10/2 = .05

12 months is two periods

10 000 ( 1 + .05)^{2} = amount owed after 1 year = __________ dollars

ElectricPavlov Jun 2, 2021